- Typical diseases of birch
- Most Dangerous Disease: Anthracnose
- Dying signs at the foot of the birch
- Save birch, improve location
- In an emergency, initiate an investigation by experts
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Like all trees, the birch can also struggle with diseases. The birch trees, which are very resistant in themselves, are prone to special problems. You can find out to what extent birch tree diseases regulate themselves and when you should intervene here.
If the birch dies, this can often be seen from the trunk
Typical diseases of birch
Most birches are susceptible to fungal attack. Moss infestation and pests such as thrips and aphids often cause problems for the picturesque trees. In most cases, however, you as the garden owner do not have to intervene. Only in rare and extremely severe cases is it advisable and necessary to use a pesticide in the event of fungal or pest infestation.
Most Dangerous Disease: Anthracnose
The first symptoms are wilting flowers and leaves. The trees may die over time. There are only limited options for combating it yourself, mainly cutting out the affected shoots, the earlier and more generous, the better. Other birch diseases include rust and powdery mildew. However, they do little damage and require no intervention.
Dying signs at the foot of the birch
Increasingly, native birch trees show a strange black discharge on the trunk, which later turns into a likewise blackish crust. These prominent visual signs usually equate to a general declining vitality of the tree. This is followed by signs of death in the crown. Those who do not want to let the majestic birch die off should act when black spots appear. In most cases it helps to check the site conditions. Overall, it's important to keep track of progress, especially if the dying tree could become a traffic or safety hazard.
Save birch, improve location
If your birch shows symptoms of disease such as black spots, optimizing the location is a good idea. Of course, you cannot transplant the adult tree. However, unfavorable weather usually plays a decisive role. If the conditions are either too wet or too dry, secondary problems such as rot can occur. If the light-hungry tree does not get enough sun, you may also be able to intervene to help.
In an emergency, initiate an investigation by experts
If you want to be on the safe side with particularly large trees and inexplicable symptoms, you can arrange for a tree examination by a specialist. The responsible green space office has the necessary addresses or carries out the analyzes directly themselves.